fix: 修复配额说明重复和undefined问题

- 在editStorageForm中初始化oss_storage_quota_value和oss_quota_unit
- 删除重复的旧配额说明块，保留新的当前配额设置显示

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/node_modules/@smithy/util-retry/dist-es/defaultRetryBackoffStrategy.js

@@ -0,0 +1,14 @@
+import { DEFAULT_RETRY_DELAY_BASE, MAXIMUM_RETRY_DELAY } from "./constants";
+export const getDefaultRetryBackoffStrategy = () => {
+    let delayBase = DEFAULT_RETRY_DELAY_BASE;
+    const computeNextBackoffDelay = (attempts) => {
+        return Math.floor(Math.min(MAXIMUM_RETRY_DELAY, Math.random() * 2 ** attempts * delayBase));
+    };
+    const setDelayBase = (delay) => {
+        delayBase = delay;
+    };
+    return {
+        computeNextBackoffDelay,
+        setDelayBase,
+    };
+};